Dictionary

A slow or labored walk or other motion or activity.

Example: We started at a brisk walk and ended at a plod.

To walk or move slowly and heavily or laboriously (+ on, through, over).

To trudge over or through.

To toil; to drudge; especially, to study laboriously and patiently.

A puddle.

(mildly, usually with "the") the police, police officers

(mildly) a police officer, especially a low-ranking one.